Alstar M42 Extension Tube Kit for Cameras and Eyepieces (8/10/20/40mm)
US$11.60
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US$11.60
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by awardsclub.co.uk
Free 30-day returns Details
Product details
| Management number | 250298011 | Release Date | 2026/09/17 | List Price | US$11.60 | Model Number | 250298011 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- The required spacing can be achieved by combining several extenders of differing lengths; you can use 1 piece; 2 pieces; 3 pieces or 4 pieces of the extension rings as you like
- The extension tube has a T2 interior thread and a T2 exterior thread for elegantly solving spacing problems in astrophotography
- All metal construction and anodizing aluminium process for long time use
- Use this extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners
- Male thread: M42x0.75; Female thread: M42x0.75; Eliminates a range of focusing problems
| ASIN | B074J7BKNJ |
|---|---|
| Brand | A ALSTAR |
| Mount | Equatorial Mount |
| Coating | Fully Coated |
| Focus Type | Manual Focus |
| Model Name | Alstar T2-Extension Tube Kit |
| Zoom Ratio | 1:1 |
| Finderscope | Reflex |
| Item Weight | 2.6 ounces |
| Manufacturer | A ALSTAR |
| Model Number | SKU_AM_T2EXTBKAR |
| Power Source | Manual Operation |
| Item Highlight | M42x0.75 on Both Sides, Aluminium Alloy, M42/T2 Extension Tube, Improve Focusing, Freely Combinable, Telescope Photo Adapter |
| Number of Items | 4 |
| Compatible Devices | Camera, Eyepiece |
| Additional Features | Adjustable Spacing for Astrophotography |
| Objective Lens Diameter | 40 millimeters |
| Focal Length Description | 40 millimeters |
| Manufacturer Part Number | SKU_AM_T2EXTBKAR |
| Eye Piece Lens Description | Barlow |
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